bzr branch
http://bzr.ed.am/elec/propeller-clock
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by edam
added ulibc |
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/* Copyright (C) 2004 Garrett A. Kajmowicz |
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This file is part of the uClibc++ Library. |
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This library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Lesser General Public |
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License as published by the Free Software Foundation; either |
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version 2.1 of the License, or (at your option) any later version. |
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This library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Lesser General Public License for more details. |
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You should have received a copy of the GNU Lesser General Public |
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License along with this library; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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#include <istream> |
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#include <ostream> |
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#ifndef __STD_HEADER_COMPLEX |
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#define __STD_HEADER_COMPLEX 1 |
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namespace std {
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// class complex<float>; |
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// class complex<double>; |
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// class complex<long double>; |
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template<class T> class _UCXXEXPORT complex{
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public: |
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typedef T value_type; |
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complex(const T& re = T(), const T& im = T()) : r(re), i(im) { }
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complex(const complex& c): r(c.r), i(c.i){ }
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template<class X> complex(const complex<X>& c): r(c.r), i(c.i){ }
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inline T real() const{
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return r; |
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} |
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inline T imag() const{
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return i; |
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} |
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complex<T>& operator= (const T& v){
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r = v; |
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i = 0; |
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return *this; |
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} |
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complex<T>& operator+=(const T& v){
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r +=v; |
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return *this; |
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} |
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complex<T>& operator-=(const T& v){
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r -=v; |
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return *this; |
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} |
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complex<T>& operator*=(const T& v){
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r*=v; |
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i*=v; |
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return *this; |
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} |
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complex<T>& operator/=(const T& v){
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r/=v; |
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i/=v; |
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return *this; |
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} |
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complex& operator=(const complex& v){
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if(&v != this){
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r = v.r; |
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i = v.i; |
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} |
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return *this; |
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} |
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template<class X> complex<T>& operator= (const complex<X>& v){
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r = v.r; |
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i = v.i; |
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return *this; |
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} |
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template<class X> complex<T>& operator+=(const complex<X>& v){
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r+=v.r; |
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i+=v.i; |
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return *this; |
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} |
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template<class X> complex<T>& operator-=(const complex<X>& v){
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r-=v.r; |
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i-=v.i; |
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return *this; |
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} |
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template<class X> complex<T>& operator*=(const complex<X>& v){
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T tempr = r*v.r - i*v.i; |
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T tempi = r*v.i + i*v.r; |
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r = tempr; |
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i = tempi; |
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return *this; |
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} |
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template<class X> complex<T>& operator/=(const complex<X>& v){
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T tempr = (r*v.r + i*v.i) / (v.r*v.r + v.i*v.i); |
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T tempi = (i*v.r - r*v.i) / (v.r*v.r + v.i*v.i); |
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r = tempr; |
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i = tempi; |
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return *this; |
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} |
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private: |
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T r; |
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T i; |
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}; |
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template<class T> _UCXXEXPORT complex<T> operator+(const complex<T>& ls, const complex<T>& rs){
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complex<T> retval(ls); |
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retval += rs; |
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return retval; |
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} |
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template<class T> _UCXXEXPORT complex<T> operator+(const complex<T>& ls, const T& rs){
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complex<T> retval(ls); |
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ls += rs; |
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return retval; |
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} |
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template<class T> _UCXXEXPORT inline complex<T> operator+(const T& ls, const complex<T>& rs){
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return rs + ls; |
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} |
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template<class T> _UCXXEXPORT complex<T> operator-(const complex<T>& ls, const complex<T>& rs){
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complex<T> retval(ls); |
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retval -= rs; |
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return retval; |
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} |
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template<class T> _UCXXEXPORT complex<T> operator-(const complex<T>& ls, const T& rs){
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complex<T> retval(ls); |
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retval -= rs; |
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return retval; |
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} |
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template<class T> _UCXXEXPORT complex<T> operator-(const T& ls, const complex<T>& rs){
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complex<T> retval(ls); |
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retval -= rs; |
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return retval; |
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} |
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template<class T> _UCXXEXPORT complex<T> operator*(const complex<T>& ls, const complex<T>& rs){
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complex<T> retval(ls); |
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retval *= rs; |
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return retval; |
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} |
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template<class T> _UCXXEXPORT complex<T> operator*(const complex<T>& ls, const T& rs){
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complex<T> retval(ls); |
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retval *= rs; |
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return retval; |
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} |
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template<class T> _UCXXEXPORT complex<T> operator*(const T& ls, const complex<T>& rs){
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complex<T> retval(ls); |
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retval *=rs; |
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return retval; |
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} |
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template<class T> _UCXXEXPORT complex<T> operator/(const complex<T>& ls, const complex<T>& rs){
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complex<T> retval(ls); |
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retval/=rs; |
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return retval; |
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} |
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template<class T> _UCXXEXPORT complex<T> operator/(const complex<T>& ls, const T& rs){
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complex<T> retval(ls); |
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retval/=rs; |
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return retval; |
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} |
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template<class T> _UCXXEXPORT complex<T> operator/(const T& ls, const complex<T>& rs){
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complex<T> retval(ls); |
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retval/=rs; |
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return retval; |
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} |
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template<class T> _UCXXEXPORT complex<T> operator+(const complex<T>& v){
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return v; |
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} |
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template<class T> _UCXXEXPORT complex<T> operator-(const complex<T>& v){
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return complex<T> (-v.real(), -v.imag()); |
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} |
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template<class T> _UCXXEXPORT bool operator==(const complex<T>& ls, const complex<T>& rs){
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if( ls.real() == rs.real() && ls.imag() == rs.image()){
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return true; |
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} |
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return false; |
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} |
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template<class T> _UCXXEXPORT bool operator==(const complex<T>& ls, const T& rs){
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if(ls.real() == rs && ls.imag() == T()){
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return true; |
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} |
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return false; |
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} |
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template<class T> _UCXXEXPORT bool operator==(const T& ls, const complex<T>& rs){
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if(ls == rs.real() && rs.imag() == T()){
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return true; |
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} |
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return false; |
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} |
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template<class T> _UCXXEXPORT bool operator!=(const complex<T>& ls, const complex<T>& rs){
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if(ls == rs){
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return false; |
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} |
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return true; |
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} |
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template<class T> _UCXXEXPORT bool operator!=(const complex<T>& ls, const T& rs){
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if(ls == rs){
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return false; |
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} |
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return true; |
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} |
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template<class T> _UCXXEXPORT bool operator!=(const T& ls, const complex<T>& rs){
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if(ls == rs){
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return false; |
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} |
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return true; |
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} |
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template<class T, class charT, class traits> _UCXXEXPORT basic_istream<charT, traits>& |
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operator>>(basic_istream<charT, traits>& is, complex<T>& v) |
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{
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T tempr; |
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T tempi; |
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is >> tempr; |
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is.get(); |
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is >> tempi; |
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v = complex<T>(tempr, tempi); |
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return is; |
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} |
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template<class T, class charT, class traits> _UCXXEXPORT basic_ostream<charT, traits>& |
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operator<<(basic_ostream<charT, traits>& os, const complex<T>&v) |
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{
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os << v.real() << ", " << v.imag(); |
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return os; |
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} |
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template<class T> _UCXXEXPORT T real(const complex<T>& v){
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return v.real(); |
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} |
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template<class T> _UCXXEXPORT T imag(const complex<T>& v){
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return v.imag(); |
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} |
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template<class T> _UCXXEXPORT T norm(const complex<T>& v){
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return (v.real() * v.real() + v.imag() * v.imag()); |
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} |
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template<class T> _UCXXEXPORT complex<T> conj(const complex<T>& v){
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return complex<T>(v.real(), -v.imag()); |
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} |
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#ifdef __UCLIBCXX_SUPPORT_MATH__ //Can we link with libm? |
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template<class T> _UCXXEXPORT T abs(const complex<T>& v){
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return sqrt(v.real() * v.real() + v.imag() * v.imag()); |
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} |
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template<class T> _UCXXEXPORT T arg(const complex<T>& v){
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return atan2(v.imag(), v.real()); |
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} |
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template<class T> _UCXXEXPORT complex<T> polar(const T& rho, const T& theta){
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return complex<T>(rho * cos(theta), rho * sin(theta)); |
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} |
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template<class T> _UCXXEXPORT complex<T> cos (const complex<T>& v){
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return complex<T>(cos(v.real()) * cosh(v.imag()), -sin(v.real()) * sinh(v.imag())); |
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} |
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template<class T> _UCXXEXPORT complex<T> cosh (const complex<T>& v){
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return complex<T>(cosh(v.real()) * cos(v.imag()), sinh(v.real()) * sin(v.imag())); |
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} |
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template<class T> _UCXXEXPORT complex<T> exp (const complex<T>& v){
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return polar(exp(v.real()), v.imag()); |
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} |
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template<class T> _UCXXEXPORT complex<T> log (const complex<T>& v){
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return complex<T>(log(abs(v)), arg(v)); |
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} |
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template<class T> _UCXXEXPORT complex<T> log10(const complex<T>& v){
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return (log(v) / log(T(10.0))); |
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} |
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template<class T> _UCXXEXPORT complex<T> pow(const complex<T>& v, int p){
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T rho = pow(abs(v), p); |
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T theta = arg(v); |
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return complex<T>(rho * cos(p * theta), rho * sin(p * theta) ); |
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} |
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template<class T> _UCXXEXPORT complex<T> pow(const complex<T>& v, const T& p){
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return polar( pow(abs(v),p), arg(v)*p ); |
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} |
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template<class T> _UCXXEXPORT complex<T> pow(const complex<T>& v, const complex<T>& p){
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if(v == T()){
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//We are using "0" as the value |
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return T(); |
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} |
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return exp(p * log(v)); |
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} |
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template<class T> _UCXXEXPORT complex<T> pow(const T& v, const complex<T>& p){
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if(v == T()){
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return T(); |
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} |
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return polar(pow(v,p.real()), y.imag() * log(x) ); |
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} |
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template<class T> _UCXXEXPORT complex<T> sin (const complex<T>& v){
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return complex<T>(sin(v.real()) * cosh(v.imag()), cosh(v.real()) * sin(v.imag())); |
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} |
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template<class T> _UCXXEXPORT complex<T> sinh (const complex<T>& v){
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return complext<T>(sinh(v.real()) * cos(v.imag()), cosh(v.real()) * sin(v.imag()) ); |
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} |
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template<class T> _UCXXEXPORT complex<T> sqrt (const complex<T>&); |
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template<class T> _UCXXEXPORT complex<T> tan (const complex<T>& v){
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return sin(v) / cos(v); |
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} |
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template<class T> _UCXXEXPORT complex<T> tanh (const complex<T>& v){
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return sinh(v) / cosh(v); |
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} |
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#endif |
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} |
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#endif |
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